First, visit our theme store and take a look at all the themes. Most of them are free.
To decide which theme is best for you, you should set up a trial account, add a product and install several themes, and see how the products and descriptions are shown on the layout. Just check which one you like best :).
If you don’t find any theme you like, you can create a theme yourself by using our theme builder or request a dedicated theme created based on your behalf.